Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Singer Co
Original Assignee
Singer Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Singer CofiledCriticalSinger Co
Priority to ES70561ApriorityCriticalpatent/ES70561A1/es
Publication of ES70561A1publicationCriticalpatent/ES70561A1/es
Un dispositivo de cambio de marcha, destinado a las fileteadoras mecánicas y máquinas análogas para el tallado de filetes de rosca a derecha y a izquierda.